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我做了一个简单的键盘钩子在C#,所以我有这个下面的代码:钩键盘:如何获取键被按下的程序名称?
private static IntPtr hKeyboardHook = IntPtr.Zero;
private const int WH_KEYBOARD_LL = 13;
private const int WM_KEYDOWN = 0x100;
private delegate IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr SetWindowsHookEx(int idHook, LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall, SetLastError = true)]
private static extern int UnhookWindowsHookEx(IntPtr idHook);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);
[DllImport("user32")]
private static extern int ToAscii(int uVirtKey, int uScanCode, byte[] lpbKeyState, byte[] lpwTransKey, int fuState);
[DllImport("user32")]
private static extern int GetKeyboardState(byte[] pbKeyState);
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
private static extern short GetKeyState(int vKey);
private delegate int HookProc(int nCode, int wParam, IntPtr lParam);
[DllImport("kernel32.dll")]
public static extern IntPtr GetModuleHandle(string lpModuleName);
private static LowLevelKeyboardProc _proc = HookCallback;
public void initialization()
{
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule)
{
hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, _proc, GetModuleHandle(curModule.ModuleName), 0);
}
}
private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0 && wParam == (IntPtr)WM_KEYDOWN)
{
int vkCode = Marshal.ReadInt32(lParam);
if (vkCode >= 32 && vkCode < 160)
Console.Write((Keys)vkCode);
if (vkCode == 13)
Console.WriteLine("\n");
}
return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);
}
它工作正常,没有问题!我的程序会抓住其他程序中的所有按键并将其写入控制台。 但我想要的程序的名称按键,我不知道我怎么能做到这一点。
任何人都可以帮到我吗?
我正在学习C#,我认为这是一个很好的练习。 Buf如果我不能用低级钩子做到这一点并不重要 – 2012-02-22 16:11:55
我可以建议如果你只是在学习,你会选择一些更简单的东西。键盘记录其实很难。 – 2012-02-22 17:43:25